Display substrate and method of manufacturing the same, and display apparatus

Abstract

A display substrate includes a substrate, at least one protruding structure, a water-oxygen barrier pattern, and a display layer. The substrate has a display area, an opening located in the display area, and an isolation region disposed around the opening. The at least one protruding structure is disposed on the substrate and located in the isolation region. The water-oxygen barrier pattern covers the at least one protruding structure and located in the isolation region. The display layer is disposed on the substrate, a portion of the display layer is located in the display area, and a remaining portion of the display layer extends into the isolation region and is located at a side of the water-oxygen barrier pattern away from the substrate.

What is claimed is: 
     
       1. A display substrate, comprising:
 a substrate having a display area, an opening located in the display area, and an isolation region disposed around the opening and located between the display area and the opening; 
 at least one protruding structure disposed on the substrate and located in the isolation region; 
 a water-oxygen barrier pattern covering the at least one protruding structure and located only within a border of the isolation region; and 
 a display layer disposed on the substrate, a portion of the display layer being located in the display area, and a remaining portion of the display layer extending into the isolation region; and the remaining portion of the display layer being located proximate to a side of the water-oxygen barrier pattern away from the substrate, wherein 
 the water-oxygen barrier pattern is disposed between the remaining portion of the display layer and the substrate in the isolation region. 
 
     
     
       2. The display substrate according to  claim 1 , wherein the water-oxygen barrier pattern has at least one through hole. 
     
     
       3. The display substrate according to  claim 2 , wherein the at least one protruding structure includes a protruding structure disposed around the opening; and
 compared to an orthogonal projection of the protruding structure on the substrate, an orthogonal projection of the at least one through hole on the substrate is closer to the opening. 
 
     
     
       4. The display substrate according to  claim 2 , wherein the at least one protruding structure includes a plurality of protruding structures disposed around the opening in a direction from a center of the opening to a border of the opening; and
 compared to an orthogonal projection of an outermost one protruding structure of the plurality of protruding structures on the substrate, an orthogonal projection of the at least one through hole on the substrate is closer to the opening. 
 
     
     
       5. The display substrate according to  claim 4 , wherein the at least one through hole is located between two adjacent protruding structures of the plurality of protruding structures. 
     
     
       6. The display substrate according to  claim 2 , wherein
 the at least one protruding structure has a first surface and a second surface opposite to each other, and the first surface is farther away from the substrate than the second surface; and 
 the at least one through hole is disposed in a portion of the water-oxygen barrier pattern opposite to the first surface. 
 
     
     
       7. The display substrate according to  claim 2 , wherein the at least one through hole includes a single through hole disposed around the opening, or a plurality of through holes spaced around the opening. 
     
     
       8. The display substrate according to  claim 2 , further comprising a thin film encapsulation layer covering the display layer and the water-oxygen barrier pattern, the thin film encapsulation layer including a first inorganic sub-encapsulation layer, an organic sub-encapsulation layer, and a second inorganic sub-encapsulation layer that are sequentially stacked in a thickness direction of the substrate; wherein
 a border of a portion of the first inorganic sub-encapsulation layer extending into the isolation region and a border of a portion of the second inorganic sub-encapsulation layer extending into the isolation region are closer to the opening than a border of a portion of the organic sub-encapsulation layer extending into the isolation region. 
 
     
     
       9. The display substrate according to  claim 8 , wherein an orthogonal projection of the at least one through hole on the substrate is closer to the opening than an orthogonal projection of the organic sub-encapsulation layer on the substrate. 
     
     
       10. The display substrate according to  claim 8 , wherein the at least one protruding structure includes a plurality of protruding structures disposed around the opening in a direction from a center of the opening to a border of the opening; and
 the first inorganic sub-encapsulation layer and the second inorganic sub-encapsulation layer cover all the protruding structures, and the organic sub-encapsulation layer covers part of the plurality of protruding structures. 
 
     
     
       11. The display substrate according to  claim 2 , wherein the at least one protruding structure has a first surface and a second surface opposite to each other, and a side face located between the first surface and the second surface; and
 the portion of the display layer extending into the isolation region exposes a portion of the water-oxygen barrier pattern covering the side face. 
 
     
     
       12. The display substrate according to  claim 11 , wherein the first surface is farther away from the substrate than the second surface, and an area of the first surface is greater than an area of the second surface. 
     
     
       13. The display substrate according to  claim 12 , wherein an included angle between the first surface and the side face is within a range of 30° to 90°. 
     
     
       14. The display substrate according to  claim 11 , wherein the first surface is farther away from the substrate than the second surface;
 the first surface is an arc surface closer to the substrate than a center of a circle corresponding to the arc surface. 
 
     
     
       15. The display substrate according to  claim 11 , wherein the display layer includes a light-emitting function layer and an electrode layer located on a side of the light-emitting function layer away from the substrate; and
 the portion of the display layer extending into the isolation region includes: at least one of a portion of the light-emitting function layer that extends into the isolation region and is located on the side of the water-oxygen barrier pattern away from the substrate, and a portion of the electrode layer that extends into the isolation region and is located on the side of the water-oxygen barrier pattern away from the substrate. 
 
     
     
       16. The display substrate according to  claim 2 , further comprising a carrier layer disposed on a side of the at least one protruding structure facing the substrate; wherein
 the carrier layer is in direct contact with the at least one protruding structure, and both a material of the carrier layer and a material of the at least one protruding structure include organic materials. 
 
     
     
       17. The display substrate according to  claim 2 , wherein a material of the water-oxygen barrier pattern includes at least one of an inorganic material, a metal oxide, and a metal material. 
     
     
       18. A display apparatus, comprising:
 the display substrate according to  claim 1 , and 
 at least one additional component arranged in the opening. 
 
     
     
       19. The display apparatus according to  claim 18 , wherein the at least one additional component includes at least one of a camera, an earpiece, a sensor, a physical key, and a pointer axis. 
     
     
       20. A method of manufacturing a display substrate, the method comprising:
 providing a substrate, the substrate having a display area, a preset opening region located in the display area, and an isolation region disposed around the preset opening region; 
 forming at least one protruding structure in the isolation region on the substrate; 
 forming a water-oxygen barrier pattern covering the at least one protruding structure only within a border of the isolation region; 
 forming a display layer in the display area, the preset opening region, and the isolation region, a portion of the display layer located in the isolation region being located proximate to a side of the water-oxygen barrier pattern away from the substrate, and the water-oxygen barrier pattern being disposed between the substrate and the portion of the display layer located in the isolation region; and 
 removing the preset opening region of the substrate and a portion of the display layer located in the preset opening region, so as to form an opening surrounded by the isolation region.